"Ah, well - I don't have any feeling in my lower legs so I wouldn't be able to stand up... Nisha tends to help me in that, if you would just give me an arm. You could pick me up if you'd rather..."

To be fair to Genji, his closest guard tended to subscribe to the 'pick up' school of thought, so Belias just accepted it (even if he was often mortified. Granted, he'd probably react better to Genji picking him up than an old childhood friend.)